* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Times New Roman', Times, serif;
  background: #f9f9f9;
  color: #333;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 50px;
  background: white;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.logo img {
  height: 100px;
  width: 150px;
  object-fit: contain; 
  display: block; 
}
nav a {
  margin: 0 10px;
  text-decoration: none;
  color: black;
  font-weight: 600;
  font-size: 18px;
  padding: 12px 20px;
  border-radius: 30px;
  background-color: white; 
  display: inline-block;
  transition: all 0.3s ease;
  text-align: center;
}

nav a:hover,
nav a:focus {
  color: white;
  background-color: rgb(28, 28, 183);
  box-shadow: 0 4px 8px rgba(255, 99, 71, 0.2);
  transform: scale(1.05);
}

nav a.active {
  background-color: #28a745;
  color: white;
  box-shadow: 0 4px 8px rgba(40, 167, 69, 0.2);
}

section{
  scroll-margin-top: 100px;
}

.hero {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 50px;  
  min-height: 90vh;
  background: #ffffff;
  background-image: url('https://www.transparenttextures.com/patterns/escheresque.png');
}

.hero-text h1 {
  font-size: 3rem;
  margin-bottom: 20px;
}

.hero-text span {
  color: #ff6600;
}

.hero-text p {
  font-size: 1.2rem;
  margin-bottom: 20px;
}

.btn {
  background: #4a00e0;
  color: white;
  padding: 10px 20px;
  border-radius: 30px;
  text-decoration: none;
  box-shadow: 0 5px 15px rgba(74, 0, 224, 0.3);
  transition: background 0.3s;
}

.btn:hover {
  color: black;
  background: #7f00ff;
}

.social-icons {
  margin-top: 20px;
}
.social-icons a{
  text-decoration: none;
}

.social-icons a img {
  width: 30px;
  margin-right: 15px;
  transition: transform 0.3s;
}

.social-icons a img:hover {
  transform: scale(1.2);
}

.hero-image {
  width: 400px;
  height: 400px;
  border-radius: 50%;
  overflow: hidden;
  position: relative;
  box-shadow: 0 10px 50px rgba(0, 0, 0, 0.3);
}

.hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: opacity 0.4s ease-in-out;
}

.hero-image::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url('images/nikitimg.JPG');
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 0.4s ease-in-out;
  border-radius: 50%;
}

.hero-image:hover::before {
  opacity: 1;
}



.about {
  padding: 50px;
  background: white;
  text-align: center;
}

.about h2 {
  font-size: 2rem;
  margin-bottom: 30px;
}

.about-content {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 30px;
}

.about-image img {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.about-text {
  max-width: 600px;
  font-size: 1.2rem;
  line-height: 1.6;
}

.about-text h5 {
  font-size: 1.8rem;
  margin-bottom: 20px;
}

.skills {
  padding: 50px;
  background: #f4f4f4;
}

.skills h2 {
  font-size: 2.5rem;
  text-align: center;
  margin-bottom: 40px;
}

.skills-content {
  display: flex;
  justify-content: space-evenly;
  flex-wrap: nowrap;
}

.skills-category {
  flex: 1;
  min-width: 250px;
  max-width: 300px;
  margin: 20px;
}

.skills-category h3 {
  font-size: 1.8rem;
  margin-bottom: 15px;
  color: #333;
}

.skills-category ul {
  list-style-type: none;
  padding: 0;
}

.skills-category ul li {
  font-size: 1.2rem;
  margin: 5px 0;
  color: #555;
}

.education {
  padding: 50px 0;
  background-color: #f4f4f4;
}

.education h2 {
  text-align: center;
  font-size: 2rem;
  margin-bottom: 40px;
}

.education-item {
  background: white;
  padding: 20px;
  margin: 15px 0;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.education-item h3 {
  font-size: 1.5rem;
  color: #333;
  margin-bottom: 10px;
}

.duration {
  font-style: italic;
  color: #777;
  margin-bottom: 10px;
}

.description {
  color: #555;
  font-size: 1rem;
}

.container {
  width: 80%;
  max-width: 1200px;
  margin: 0 auto;
}

.projects {
  padding: 50px 0;
  background-color: #f4f4f4;
}

.projects h2 {
  text-align: center;
  font-size: 2rem;
  margin-bottom: 40px;
}

.projects-item {
  background: white;
  padding: 20px;
  margin: 15px 0;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.projects-item h3 {
  font-size: 1.5rem;
  color: #333;
  margin-bottom: 10px;
}

.language {
  font-style: italic;
  color: #777;
  margin-bottom: 10px;
}

.proj_description a {
  color: blue;
  font-weight: bold;
  text-decoration: none;
}

.pr_container {
  width: 80%;
  max-width: 1200px;
  margin: 0 auto;
}

button {
  background-color: pink;
  border: none;
}

.contact {
  padding: 50px 0;
  background-color: #f9f9f9;
}

.contact h2 {
  text-align: center;
  font-size: 2rem;
  margin-bottom: 20px;
}

.contact p {
  text-align: center;
  font-size: 1.1rem;
  margin-bottom: 40px;
}

.contact-methods {
  display: flex;
  justify-content: space-around;
  flex-wrap: wrap;
}

.contact-item {
  background: white;
  padding: 20px;
  margin: 15px;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  width: 250px;
  text-align: center;
}

.contact-item h3 {
  font-size: 1.4rem;
  color: #333;
  margin-bottom: 10px;
}

.contact-item p {
  font-size: 1rem;
  color: #555;
}

.feedback {
  padding: 50px 0;
  background-color: #f4f4f4;
}

.feedback h2 {
  text-align: center;
  font-size: 2rem;
  margin-bottom: 20px;
}

.feedback p {
  text-align: center;
  font-size: 1.1rem;
  margin-bottom: 40px;
}

.feedback-form {
  background: white;
  padding: 30px;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  max-width: 600px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-weight: bold;
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 10px;
  font-size: 1rem;
  border-radius: 5px;
  border: 1px solid #ddd;
  box-sizing: border-box;
}

.form-group textarea {
  height: 150px;
}

button.btn {
  background: #4a00e0;
  color: white;
  padding: 12px 24px;
  border-radius: 30px;
  border: none;
  cursor: pointer;
  font-size: 1.1rem;
  width: 50%;
  position: relative;
  left: 25%;
}

button.btn:hover {
  background: #7f00ff;
}

img {
  max-width: 100%;
  height: auto;
}

/* Responsive Media Queries */

/* For tablets and smaller desktops */
@media (max-width: 1024px) {
  .hero {
    flex-direction: column;
    text-align: center;
    padding: 30px;
  }

  .hero-text {
    margin-bottom: 40px;
  }
  .hero-image {
    width: 300px;
    height: 300px;
    border-radius: 50%;
    overflow: hidden;
    position: relative;
    box-shadow: 0 10px 50px rgba(0, 0, 0, 0.3);
  }

  .hero-image img {
    width: 300px;
    height: 300px;
  }

  .about-content {
    flex-direction: column;
  }

  .skills-content {
    flex-wrap: wrap;
  }

  .skills-category {
    min-width: 200px;
    margin: 10px;
  }
}

/* For tablets */
@media (max-width: 768px) {
  header {
    padding: 15px 30px;
    flex-direction: column;
  }

  .logo img {
    height: 80px;
    width: 80px;
    margin-bottom: 15px;
  }

  nav {
    margin-top: 15px;
  }

  nav a {
    margin: 0 10px;
  }

  .hero-text h1 {
    font-size: 2.5rem;
  }

  .contact-methods {
    flex-direction: column;
    align-items: center;
  }

  .contact-item {
    width: 80%;
    margin: 10px 0;
  }
}

/* For mobile phones */
@media (max-width: 480px) {
  header {
    padding: 10px 20px;
  }

  nav a {
    margin: 0 5px;
    font-size: 0.9rem;
  }

  .hero {
    padding: 20px;
  }

  .hero-text h1 {
    font-size: 2rem;
  }

  .hero-text p {
    font-size: 1rem;
  }
  .hero-image {
    width: 250px;
    height: 250px;
    border-radius: 50%;
    overflow: hidden;
    position: relative;
    box-shadow: 0 10px 50px rgba(0, 0, 0, 0.3);
  }
  .hero-image img {
    width: 250px;
    height: 250px;
  }

  .about {
    padding: 30px 20px;
  }

  .about-image img {
    width: 150px;
    height: 150px;
  }

  .skills {
    padding: 30px 20px;
  }

  .education, .projects, .contact, .feedback {
    padding: 30px 0;
  }

  .container, .pr_container {
    width: 90%;
  }

  .feedback-form {
    padding: 20px;
  }

  button.btn {
    width: 100%;
    left: 0;
  }
}

/* For very small screens */
@media (max-width: 360px) {
  nav {
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  nav a {
    margin: 5px 0;
  }

  .hero-text h1 {
    font-size: 1.8rem;
  }

  .hero-image {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    overflow: hidden;
    position: relative;
    box-shadow: 0 10px 50px rgba(0, 0, 0, 0.3);
  }
  .hero-image img {
    width: 200px;
    height: 200px;
  }
}